Non Maintained Trl over Bison Creek

Fair Condition42 years old100 vehicles/day

Location

StateMontana
CountyJefferson
Location12m N Elk Park
CarriesNon Maintained Trl
CrossesBison Creek
Coordinates46.18343, -112.34633

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length41.0 ft (12.5 m)
Max Span39.0 ft (11.9 m)
Deck Width15.1 ft (4.6 m)
Deck Area57.5 sq m
Main Spans1
Year Built1984

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge1

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000202308068

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